based on my experience you suffered from side effects of depo and most of my patients with similar complains improve once i start them on pill.
You will definitely conceive so you dont have to worry.
In addition i usually carry out additional lab investigations like hormone profiles to rule out hormonal
in balance,abdominal ultrasound
to rule out any abnormalities in the uterus
Hope i answered your question, will be happy to help you if you have other queries.